Given that Mona belongs to the treacherous A-Team, Aria Montgomery (Lucy Hale) and Spencer Hastings (Troian Bellisario) are understandably wary of her presence. To their surprises, besties Hanna Marin (AshleyBenson) and Emily Fields (Shay Mitchell) are more forgiving.

Credit: ABC FAMILY/ERIC MCCANDLESS

"I'm thinking maybe we all should be her friend," Emily says just before class begins. "I mean, if Mona knows why Garrett died right after he told that story about Aria's dad . . ."